Title:
COVER TAPE
Document Type and Number:
WIPO Patent Application WO/2012/173119
Kind Code:
A1
Abstract:
The present invention relates to a cover tape and to an electronic component package that uses the cover tape, the cover tape comprising at least a substrate layer, a heat seal layer, and an antistatic layer, the antistatic layer containing (A) an ionic liquid including a cyclic quaternary nitrogen-containing cation, (B) a quaternary ammonium salt, and (C) a polyalkylene glycol being formed on a surface toward the heat seal layer, and an anion constituting the (A) ionic liquid including a cyclic quaternary nitrogen-containing cation and the (B) quaternary ammonium salt being one or more anions selected from the group consisting of carboxylic acids, sulfuric acid esters, phosphoric acid esters, sulfonic acids, and phosphoric acids.
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Inventors:
TANAZAWA YUSUKE (JP)
ONO TAKESHI (JP)
ONO TAKESHI (JP)
Application Number:
PCT/JP2012/065030
Publication Date:
December 20, 2012
Filing Date:
June 12, 2012
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KK (JP)
TANAZAWA YUSUKE (JP)
ONO TAKESHI (JP)
TANAZAWA YUSUKE (JP)
ONO TAKESHI (JP)
International Classes:
B65D65/40; B32B7/02; B65D73/02; B65D85/86
Foreign References:
| JPH07251860A | 1995-10-03 | |||
| JP2003341720A | 2003-12-03 | |||
| JP2003281934A | 2003-10-03 | |||
| JP2006264719A | 2006-10-05 | |||
| JPH07172463A | 1995-07-11 | |||
| JP2005225548A | 2005-08-25 | |||
| JPH11115088A | 1999-04-27 | |||
| JPH07251860A | 1995-10-03 | |||
| JP2003266016A | 2003-09-24 | |||
| JP2010121093A | 2010-06-03 |
Other References:
See also references of EP 2722290A4
Attorney, Agent or Firm:
SONODA Yoshitaka et al. (JP)
Yoshitaka Sonoda (JP)
Yoshitaka Sonoda (JP)
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Claims:
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